private void PaintLine(Graphics g, SnapshotIcon icon, SnapshotIcon child, bool highlight)
{
if (child.Index == -1)
{
return;
}
try
{
Rectangle leftItemBounds = icon.GetBounds(ItemBoundsPortion.Entire);
Rectangle rightItemBounds = child.GetBounds(ItemBoundsPortion.Entire);
leftItemBounds.Size = icon.DefaultSize;
rightItemBounds.Size = child.DefaultSize;
int left = leftItemBounds.Right + 6;
int right = rightItemBounds.Left;
int mid = (left + right) / 2;
Point start = new Point(left, (leftItemBounds.Bottom + leftItemBounds.Top) / 2);
Point end = new Point(right, (rightItemBounds.Top + rightItemBounds.Bottom) / 2);
Point curveStart = start;
curveStart.Offset(straightLineLength, 0);
Point curveEnd = end;
curveEnd.Offset(-straightLineLength, 0);
Point control1 = new Point(mid + straightLineLength, start.Y);
Point control2 = new Point(mid - straightLineLength, end.Y);
Color lineColor = LinkLineColor;
float lineWidth = LinkLineWidth;
if (highlight)
{
lineColor = Color.ForestGreen;
lineWidth = 2.5f;
}
using (Pen p = new Pen(lineColor, lineWidth))
{
p.SetLineCap(LineCap.Round, LineCap.Custom, DashCap.Flat);
p.CustomEndCap = linkLineArrow;
g.SmoothingMode = SmoothingMode.AntiAlias;
GraphicsPath path = new GraphicsPath();
path.AddLine(start, curveStart);
path.AddBezier(curveStart, control1, control2, curveEnd);
path.AddLine(curveEnd, end);
g.DrawPath(p, path);
}
}
catch (Exception)
{
//Debugger.Break();
}
}
public SnapshotIcon(string name, string createTime, SnapshotIcon parent, SnapshotTreeView treeView, int imageIndex)
: base(name.Ellipsise(35))
{
this._name = name.Ellipsise(35);
this._creationTime = createTime;
this.parent = parent;
this.treeView = treeView;
this.UseItemStyleForSubItems = false;
this.ToolTipText = String.Format("{0} {1}", name, createTime);
this.ImageIndex = imageIndex;
if (imageIndex == SnapshotIcon.VMImageIndex)
{
spinningTimer.Tick += new EventHandler(timer_Tick);
spinningTimer.Interval = 150;
}
}
internal ListViewItem AddSnapshot(SnapshotIcon snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException("snapshot");
}
if (snapshot.Parent != null)
{
snapshot.Parent.AddChild(snapshot);
snapshot.Parent.Invalidate();
}
else if (root != null)
{
throw new InvalidOperationException("Adding a new root!");
}
else
{
root = snapshot;
}
if (snapshot.ImageIndex == SnapshotIcon.VMImageIndex)
{
//Sort all the parents of the VM to make the path to the VM the first one.
SnapshotIcon current = snapshot;
while (current.Parent != null)
{
if (current.Parent.Children.Count > 1)
{
int indexCurrent = current.Parent.Children.IndexOf(current);
SnapshotIcon temp = current.Parent.Children[0];
current.Parent.Children[0] = current;
current.Parent.Children[indexCurrent] = temp;
}
current.IsInVMBranch = true;
current = current.Parent;
}
}
ListViewItem item = Items.Add(snapshot);
if (Items.Count == 1)
{
Items.Add(whiteIcon);
}
return(item);
}
internal void ChangeVMToSpinning(bool p, string message)
{
_spinningMessage = message;
foreach (var item in Items)
{
SnapshotIcon snapshotIcon = item as SnapshotIcon;
if (snapshotIcon != null && (snapshotIcon.ImageIndex == SnapshotIcon.VMImageIndex || snapshotIcon.ImageIndex > SnapshotIcon.UnknownImage))
{
if (string.IsNullOrEmpty(message))
{
snapshotIcon.ChangeSpinningIcon(p, _spinningMessage);
}
else
{
snapshotIcon.ChangeSpinningIcon(p, _spinningMessage);
}
return;
}
}
}
internal void RemoveSnapshot(SnapshotIcon snapshot)
{
if (snapshot != null && snapshot.Parent != null)
{
IList <SnapshotIcon> siblings = snapshot.Parent.Children;
int pos = siblings.IndexOf(snapshot);
siblings.Remove(snapshot);
// add our children in our place
foreach (SnapshotIcon child in snapshot.Children)
{
siblings.Insert(pos++, child);
child.Parent = snapshot.Parent;
}
snapshot.Parent.Invalidate();
snapshot.Parent = null;
}
else
{
root = null;
}
}
private void PositionSnapshots(SnapshotIcon icon, int x, int y)
{
try
{
Size iconSize = icon.DefaultSize;
Point newPoint = new Point(x, y + icon.CentreHeight - iconSize.Height / 2);
icon.Position = new Point(newPoint.X + origin.X, newPoint.Y + origin.Y);
x += iconSize.Width + HGap;
for (int i = 0; i < icon.Children.Count; i++)
{
SnapshotIcon child = icon.Children[i];
PositionSnapshots(child, x, y);
y += child.SubtreeHeight;
}
}
catch (Exception)
{
// Debugger.Break();
}
}
private void DrawDate(DrawListViewItemEventArgs e, SnapshotIcon icon, bool background)
{
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Center;
//Time
int timeX = e.Bounds.X;
int timeY = e.Bounds.Y + e.Bounds.Height;
Size proposedSizeName = new Size(e.Bounds.Width,
Int32.MaxValue);
Size timeSize = TextRenderer.MeasureText(e.Graphics, icon.LabelCreationTime,
new Font(this.Font.FontFamily, this.Font.Size - 1), proposedSizeName, TextFormatFlags.WordBreak);
timeSize = new Size(e.Bounds.Width, timeSize.Height);
Rectangle timeRect = new Rectangle(new Point(timeX, timeY), timeSize);
if (background)
{
e.Graphics.FillRectangle(Brushes.GreenYellow, timeRect);
}
e.Graphics.DrawString(icon.LabelCreationTime, new Font(this.Font.FontFamily, this.Font.Size - 1), Brushes.Black, timeRect, stringFormat);
}
private void SnapshotTreeView_DrawItem(object sender, DrawListViewItemEventArgs e)
{
if (this.Parent != null)
{
e.DrawDefault = true;
SnapshotIcon icon = e.Item as SnapshotIcon;
if (icon == null)
{
return;
}
DrawDate(e, icon, false);
if (icon.Parent != null)
{
PaintLine(e.Graphics, icon.Parent, icon, icon.IsInVMBranch);
}
for (int i = 0; i < icon.Children.Count; i++)
{
SnapshotIcon child = icon.Children[i];
PaintLine(e.Graphics, icon, child, child.IsInVMBranch);
}
}
}
internal ListViewItem AddSnapshot(SnapshotIcon snapshot)
{
if (snapshot == null)
throw new ArgumentNullException("snapshot");
if (snapshot.Parent != null)
{
snapshot.Parent.AddChild(snapshot);
snapshot.Parent.Invalidate();
}
else if (root != null)
{
throw new InvalidOperationException("Adding a new root!");
}
else
{
root = snapshot;
}
if (snapshot.ImageIndex == SnapshotIcon.VMImageIndex)
{
//Sort all the parents of the VM to make the path to the VM the first one.
SnapshotIcon current = snapshot;
while (current.Parent != null)
{
if (current.Parent.Children.Count > 1)
{
int indexCurrent = current.Parent.Children.IndexOf(current);
SnapshotIcon temp = current.Parent.Children[0];
current.Parent.Children[0] = current;
current.Parent.Children[indexCurrent] = temp;
}
current.IsInVMBranch = true;
current = current.Parent;
}
}
ListViewItem item = Items.Add(snapshot);
if (Items.Count == 1)
Items.Add(whiteIcon);
return item;
}
private void RefreshTreeView(IList<VM> roots)
{
if (TreeView.Parent == null) return;
TreeView.SuspendLayout();
TreeView.BeginUpdate();
TreeView.Clear();
Debug.WriteLine("Start refreshing Tree");
SnapshotIcon rootIcon = null;
rootIcon = new SnapshotIcon(VM.Name, Messages.BASE, null, TreeView, SnapshotIcon.Template);
TreeView.AddSnapshot(rootIcon);
//Set VM
VM vmParent = VM.Connection.Resolve<VM>(VM.parent);
if (vmParent == null || !vmParent.is_a_snapshot)
{
SnapshotIcon vmIcon = new SnapshotIcon(Messages.NOW, "", rootIcon, TreeView, SnapshotIcon.VMImageIndex);
TreeView.AddSnapshot(vmIcon);
}
foreach (VM root in roots)
{
if (!(root.is_snapshot_from_vmpp && !toolStripMenuItemScheduledSnapshots.Checked))
{
int icon;
if (root.is_snapshot_from_vmpp)
icon = root.power_state == vm_power_state.Suspended ? SnapshotIcon.ScheduledDiskMemorySnapshot : SnapshotIcon.ScheduledDiskSnapshot;
else
icon = root.power_state == vm_power_state.Suspended ? SnapshotIcon.DiskAndMemorySnapshot : SnapshotIcon.DiskSnapshot;
DateTime time = root.snapshot_time.ToLocalTime() + root.Connection.ServerTimeOffset;
SnapshotIcon currentIcon = new SnapshotIcon(root.name_label, HelpersGUI.DateTimeToString(time, Messages.DATEFORMAT_DMY_HMS, true), rootIcon, TreeView, icon);
TreeView.AddSnapshot(currentIcon);
currentIcon.Tag = root;
BuildTree(root, currentIcon);
}
else
BuildTree(root, rootIcon);
}
if (TreeView.Items.Count < 4)
TreeView.Clear();
TreeView.EndUpdate();
TreeView.ResumeLayout();
TreeView.PerformLayout();
}
internal void AddChild(SnapshotIcon icon)
{
children.Add(icon);
Invalidate();
}
public SnapshotIcon(string name, string createTime, SnapshotIcon parent, SnapshotTreeView treeView, int imageIndex)
: base(name.Ellipsise(35))
{
this._name = name.Ellipsise(35);
this._creationTime = createTime;
this.parent = parent;
this.treeView = treeView;
this.UseItemStyleForSubItems = false;
this.ToolTipText = String.Format("{0} {1}", name, createTime);
this.ImageIndex = imageIndex;
if (imageIndex == SnapshotIcon.VMImageIndex)
{
spinningTimer.Tick += new EventHandler(timer_Tick);
spinningTimer.Interval = 150;
}
}
private void PaintLine(Graphics g, SnapshotIcon icon, SnapshotIcon child, bool highlight)
{
if (child.Index == -1)
return;
try
{
Rectangle leftItemBounds = icon.GetBounds(ItemBoundsPortion.Entire);
Rectangle rightItemBounds = child.GetBounds(ItemBoundsPortion.Entire);
leftItemBounds.Size = icon.DefaultSize;
rightItemBounds.Size = child.DefaultSize;
int left = leftItemBounds.Right + 6;
int right = rightItemBounds.Left;
int mid = (left + right) / 2;
Point start = new Point(left, (leftItemBounds.Bottom + leftItemBounds.Top) / 2);
Point end = new Point(right, (rightItemBounds.Top + rightItemBounds.Bottom) / 2);
Point curveStart = start;
curveStart.Offset(straightLineLength, 0);
Point curveEnd = end;
curveEnd.Offset(-straightLineLength, 0);
Point control1 = new Point(mid + straightLineLength, start.Y);
Point control2 = new Point(mid - straightLineLength, end.Y);
Color lineColor = LinkLineColor;
float lineWidth = LinkLineWidth;
if (highlight)
{
lineColor = Color.ForestGreen;
lineWidth = 2.5f;
}
using (Pen p = new Pen(lineColor, lineWidth))
{
p.SetLineCap(LineCap.Round, LineCap.Custom, DashCap.Flat);
p.CustomEndCap = linkLineArrow;
g.SmoothingMode = SmoothingMode.AntiAlias;
GraphicsPath path = new GraphicsPath();
path.AddLine(start, curveStart);
path.AddBezier(curveStart, control1, control2, curveEnd);
path.AddLine(curveEnd, end);
g.DrawPath(p, path);
}
}
catch (Exception)
{
//Debugger.Break();
}
}
private void DrawDate(DrawListViewItemEventArgs e, SnapshotIcon icon, bool background)
{
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Center;
//Time
int timeX = e.Bounds.X;
int timeY = e.Bounds.Y + e.Bounds.Height;
Size proposedSizeName = new Size(e.Bounds.Width,
Int32.MaxValue);
Size timeSize = TextRenderer.MeasureText(e.Graphics, icon.LabelCreationTime,
new Font(this.Font.FontFamily, this.Font.Size - 1), proposedSizeName, TextFormatFlags.WordBreak);
timeSize = new Size(e.Bounds.Width, timeSize.Height);
Rectangle timeRect = new Rectangle(new Point(timeX, timeY), timeSize);
if (background)
{
e.Graphics.FillRectangle(Brushes.GreenYellow, timeRect);
}
e.Graphics.DrawString(icon.LabelCreationTime, new Font(this.Font.FontFamily, this.Font.Size - 1), Brushes.Black, timeRect, stringFormat);
}
private void PositionSnapshots(SnapshotIcon icon, int x, int y)
{
try
{
Size iconSize = icon.DefaultSize;
Point newPoint = new Point(x, y + icon.CentreHeight - iconSize.Height / 2);
icon.Position = new Point(newPoint.X + origin.X, newPoint.Y + origin.Y);
x += iconSize.Width + HGap;
for (int i = 0; i < icon.Children.Count; i++)
{
SnapshotIcon child = icon.Children[i];
PositionSnapshots(child, x, y);
y += child.SubtreeHeight;
}
}
catch (Exception)
{
// Debugger.Break();
}
}
internal void RemoveSnapshot(SnapshotIcon snapshot)
{
if (snapshot != null && snapshot.Parent != null)
{
IList<SnapshotIcon> siblings = snapshot.Parent.Children;
int pos = siblings.IndexOf(snapshot);
siblings.Remove(snapshot);
// add our children in our place
foreach (SnapshotIcon child in snapshot.Children)
{
siblings.Insert(pos++, child);
child.Parent = snapshot.Parent;
}
snapshot.Parent.Invalidate();
snapshot.Parent = null;
}
else
{
root = null;
}
}
internal void AddChild(SnapshotIcon icon)
{
children.Add(icon);
Invalidate();
}
private void BuildTree(VM currentNode, SnapshotIcon currentIcon)
{
//Set VM
if (VM.Connection.Resolve<VM>(VM.parent) == currentNode)
{
SnapshotIcon vmIcon = new SnapshotIcon(Messages.NOW, "", currentIcon, TreeView, SnapshotIcon.VMImageIndex);
TreeView.AddSnapshot(vmIcon);
}
//Do childs
foreach (XenRef<VM> child in currentNode.children)
{
if (VM.snapshots.Contains(child))
{
VM childSnapshot = VM.Connection.Resolve<VM>(child);
if (!(childSnapshot.is_snapshot_from_vmpp && !toolStripMenuItemScheduledSnapshots.Checked))
{
int icon;
if (childSnapshot.is_snapshot_from_vmpp)
icon = childSnapshot.power_state == vm_power_state.Suspended ? SnapshotIcon.ScheduledDiskMemorySnapshot : SnapshotIcon.ScheduledDiskSnapshot;
else
icon = childSnapshot.power_state == vm_power_state.Suspended ? SnapshotIcon.DiskAndMemorySnapshot : SnapshotIcon.DiskSnapshot;
DateTime time = childSnapshot.snapshot_time.ToLocalTime() + childSnapshot.Connection.ServerTimeOffset;
SnapshotIcon childIcon = new SnapshotIcon(childSnapshot.name_label, HelpersGUI.DateTimeToString(time, Messages.DATEFORMAT_DMY_HMS, true), currentIcon, TreeView, icon);
TreeView.AddSnapshot(childIcon);
childIcon.Tag = childSnapshot;
BuildTree(childSnapshot, childIcon);
}
else
BuildTree(childSnapshot, currentIcon);
}
}
}
